Release of OMERO 5.4.2

Release of OMERO 5.4.2

Dear All,

We are pleased to announce the release of OMERO 5.4.2, a bug-fix release.

Improvements include:

* added documentation on a complete workflow for publishing data from OMERO.server (see https://docs.openmicroscopy.org/omero/5.4.2/sysadmins/public.html)
* added references to the new OMERO pyramid format documentation (within the OME Data Model and File Formats documentation - see https://docs.openmicroscopy.org/latest/ome-model/omero-pyramid/index.html)
* faster loading of thumbnails for large Plates after a recent regression
* made projecting images belonging to another user only possible for users with the required permissions to save the new images
* improved the public user experience for password-less access
* updated SwingX library version used by OMERO.insight to stop insight-ij plugin crashing in Fiji
* CLI updates:
* ``import --target`` into a container without the necessary permissions now fails before file upload starts and more transparently
* ``admin mail`` timeout is now configurable via ``--wait``
* added ``admin log`` command for inserting statements to the server log